Volatility struck bourses in early trade as the key indices once again regained positive zone soon after erasing early gains. At 9:25 IST, the barometer index, the S&P BSE Sensex, was up 50.16 points or 0.1% at 50,939.92. The Nifty 50 index was up 2.90 points or 0.02% at 14,984.65. The S&P BSE Mid-Cap index was up 0.11%. The S&P BSE Small-Cap index was up 0.27%. The market breadth, indicating the overall health of the market, is positive. On the BSE, 1180 shares rose and 889 shares fell. A total of 122 shares were unchanged. Stocks in news: NTPC rose 0.38%. NTPC informed that consequent upon successful commissioning, 5 MW last part capacity for 20 MW Auraiya Solar PV Project at Auraiya, UP, has been declared on Commercial Operation with effect from 20 February 2021.